Melanotan may refer to one of two separate peptides: Afamelanotide, originally developed under the names "Melanotan 1" or "Melanotan I" for skin tanning, a drug currently in trials in implant form as a prophylactic treatment for a series of light affected skin disorders and potential skin cancer preventative agent Melanotan II, a drug originally developed as a skin tanning agent, but subsequently investigated as a potential treatment for sexual dysfunction… (More on Melanotan)